Solutions by everydaycalculation.com
1st number: 4 5/10, 2nd number: 4 2/10
4510 + 4210 is 8710.
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Related: 90/10+42/10 45/10+84/10 45/20+42/10 45/10+42/20 45/30+42/10 45/10+42/30 45/50+42/10 45/10+42/50 45/70+42/10 45/10+42/70
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